ssm

jar包


配置文件
applicationContext-dao

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:context="http://www.springframework.org/schema/context" xmlns:p="http://www.springframework.org/schema/p"
	xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
	http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd
	http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd
	http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.0.xsd">

	<!-- 加载配置文件 -->
	<context:property-placeholder location="classpath:db.properties"/>
	<!-- 数据库连接池 -->
	<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"
		destroy-method="close">
		<property name="driverClassName" value="${jdbc.driver}"/>
		<property name="url" value="${jdbc.url}"/>
		<property name="username" value="${jdbc.username}"/>
		<property name="password" value="${jdbc.password}"/>
		<property name="maxActive" value="10"/>
		<property name="maxIdle" value="5"/>
	</bean>
	<!-- mapper配置 -->
	<!-- 让spring管理sqlsessionfactory 使用mybatis和spring整合包中的 -->
	<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
		<!-- 数据库连接池 -->
		<property name="dataSource" ref="dataSource"/>
		<!-- 加载mybatis的全局配置文件 -->
		<property name="configLocation" value="classpath:SqlMapConfig.xml"/>
	</bean>
	<!-- 配置Mapper扫描器 -->
	<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
		<property name="basePackage" value="com.huida.dao"/>
	</bean>

</beans>

applicationContext-service

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:context="http://www.springframework.org/schema/context" xmlns:p="http://www.springframework.org/schema/p"
	xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
	http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd
	http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd
	http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.0.xsd">
	<!-- @service扫描 -->
	<context:component-scan base-package="com.huida.service"/>
	
</beans>

applicationContext-trans

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:context="http://www.springframework.org/schema/context" xmlns:p="http://www.springframework.org/schema/p"
	xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
	http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd
	http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd
	http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.0.xsd">
	<!-- 事务管理器 -->
	<bean id="transactionManager"
		class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
		<!-- 数据源 -->
		<property name="dataSource" ref="dataSource"/>
	</bean>
	<!-- 通知 -->
	<tx:advice id="txAdvice" transaction-manager="transactionManager">
		<tx:attributes>
			<!-- 传播行为 -->
			<!-- 以save开头就有事务 -->
			<tx:method name="save*" propagation="REQUIRED"/>
			<tx:method name="insert*" propagation="REQUIRED"/>
			<tx:method name="delete*" propagation="REQUIRED"/>
			<tx:method name="update*" propagation="REQUIRED"/>
			<tx:method name="find*" propagation="SUPPORTS" read-only="true"/>
			<tx:method name="get*" propagation="SUPPORTS" read-only="true"/>
		</tx:attributes>
	</tx:advice>
	<!-- 切面 -->
	<aop:config>
		<aop:advisor advice-ref="txAdvice"
			pointcut="execution(* com.huida.service.*.*(..))"/>
	</aop:config>
</beans>

剩下的dbproperties.xml springmvc.xml
SqlMapConfig.xml 与前边一样

ItemController

package com.huida.controller;

import java.io.File;
import java.io.IOException;
import java.util.List;
import java.util.UUID;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.multipart.MultipartFile;
import org.springframework.web.servlet.ModelAndView;

import com.huida.pojo.Items;
import com.huida.service.ItemService;
import com.huida.vo.QueryVo;

@Controller
//窄化请求映射
@RequestMapping("items")//此时后边的需要加/
public class ItemController {
	@Autowired
	private ItemService itemService;
	@RequestMapping(value="/itemsList",method=RequestMethod.GET)
	public ModelAndView getItemList(){
		List<Items> list=itemService.getItemList();
		ModelAndView modelAndView=new ModelAndView();
		modelAndView.addObject(list);
		modelAndView.setViewName("itemList");
		return modelAndView;
	}
	@RequestMapping("itemEdit/{id}") //  /{name}
	public String findItemsById(@PathVariable("id") Integer id,HttpServletRequest request,HttpServletResponse response,Model model,HttpSession session){
		/*//request取参数id
		String strId=request.getParameter("id");
		//解决get乱码
		String username="张三";
		username=request.getParameter(username).getBytes("ISO8859-1"),"utf-8");
		Integer id=null;
		if(strId!=null && !"".equals(strId)){
			id=new Integer(strId);
		}else{
			return null;
		}*/
		Items item=itemService.findItemById(id);
		//model.addAttribute("item",item);
		request.setAttribute("item", item);
		return "editItem";
		
		
		//返回值为空时
		//request.getRequestDispatcher("/WEB-INF/jsp/editItem.jsp").forward(request, response); 注意抛异常
		//void 破坏了springmvc规则
	}
	@RequestMapping("updateitem")
	public String updateitem(MultipartFile pictureFile,Items item,Model model,HttpServletRequest request) throws IllegalStateException, IOException{
		//直接传Items item pojo
		/*Items item=new Items();
		Integer id,String name,Float price,String detail
		item.setId(id);
		item.setName(name);
		
		item.setPrice(price);
		item.setDetail(detail);
		item.setCreatetime(new Date());*/
		//获取图片路径
		String fileStr = pictureFile.getOriginalFilename();
		//使用随机生成的字符串+扩展名
		String newFileName=UUID.randomUUID().toString()+fileStr.substring(fileStr.lastIndexOf("."));
		//将图片保存到硬盘
		pictureFile.transferTo(new File("D:\\daima\\"+newFileName));
		//将图片保存到数据
		item.setPic(newFileName);
		itemService.updateItem(item);
		return "success";
		//forward:请求转发  浏览器url不发生改变，request域中的数据可以带到重定向的方法中
		//重定向 ，url发生改变   request域中的数据不能带到重定向的方法中
		//model.addAttribute("id", item.getId());  //request的加强
		//return "forward:itemEdit.action"
		//request.setAttribute("id", item.getId()); //会报空指针异常
		//return "redirect:itemEdit.action";
	}
	@RequestMapping("search")
	public String search(QueryVo vo){
		//高级查询
		System.out.println(vo);
		return "";
	}
	@RequestMapping("delAll")
	public String delAll(QueryVo vo){
		System.out.println(vo);
		return null;
	}
	@RequestMapping("updateAll")
	public String updateAll(QueryVo vo){
		System.out.println(vo);
		return null;
	}
	@RequestMapping("editItemSubmit_RequestJson")
	public @ResponseBody Items editItemSubmit_RequestJson(@RequestBody Items item){
		System.out.println(item);
		return item;
	}
}